Whether you're pitching to a small group or delivering a presentation to a large audience, public speaking is an important business skill. While there are many steps to delivering an effective presentation, always begin with the fundamentals: Public Speaking A-B-Cs
A. AUDIENCE - Who are you speaking to?
When preparing a presentation, don't concern yourself more with the content than the audience, otherwise you'll end up delivering a one-size-fits-all lecture: better known as a 'data-dump'. The best way to avoid this is to recognize that a presentation is never about the speaker. It's always about the audience and the benefit your message has to them.